html - What is practical purpose for bidirectional override "bdo"? -

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Before coming here, I tried myself by googling after reading these two links

I still do not clearly understand what the practical purpose is?

Thanks to those who put some light on it.

Beautiful striaghtforward If you are writing a web page using a default language, like English, Left to right is provided, and you want to include an island of text in another language, such as a quote in Hebrew, which is right-to-left you can use this tag to override the base In which the text is written on the page, if the bi-directional algorithm In going wrong you need to make sure that there are any font you use that also supports the appropriate character set.


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